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b877b4a57ec7e2355afe8085829d1f9eef613423
The SerializationBuffer introduced in #13625 places a 640-byte buffer on the stack. When handling HTTP requests on the ESP-IDF httpd task (which has a default stack of 4096 bytes), the deep call chain from handleRequest through JSON serialization and lwip_send can overflow. Increase the httpd task stack by 256 bytes to restore headroom. Fixes #14991
Description
ESPHome is a system to control your ESP8266/ESP32 by simple yet powerful configuration files and control them remotely through Home Automation systems.
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